When an animal helps out another animal, it usually gets something valuable in return. For a long time, many scientists thought that only people could behave generously just because it feels good. This kind of behavior is called altruism. Join discussion...

DARWIN'S former lord mayor has lost an appeal against his prison sentence for using stolen council funds to buy a refrigerator and a Darth Vader voice distorter. Join discussion...

A new species of mammal has been discovered in the mountains of Tanzania, scientists report. The bizarre-looking creature, dubbed Rhynochocyon udzungwensis, is a type of giant elephant shrew, or sengi. Join discussion...

ORDERING a pizza is becoming even more hi-tech with online "trackers" the latest innovation. Currently taking the US by storm, the trackers allow you to see exactly how close a pizza is to arriving at your front door to within 40 seconds. Join discussion...

In visits to four countries, Australian Prime Minister, Mr Rudd has already clocked up about 36,000 kilometres and emitted five tonnes of greenhouse gas. Join discussion...

Sega of America has developed the original Sonic the Hedgehog game for the iPod, iPod Classic, and iPod Nano. Join discussion...

A window cleaner survives a fall from the 47th floor of a Manhattan skyscraper. Join discussion...

Australia tied its own world record of 16 straight Test cricket wins, defeating India by 122 runs in Sydney to take a 2-0 lead in their four-match series. Join discussion...

Attendance was up at the San Francisco Zoo following a tiger attack that killed a young man on Christmas Day, a zoo spokesman said Saturday. Join discussion...